Well, you can run JS on the JVM through Oracle's Rhino (now Nashorn), but apparently perf is still largely worse than Sunspider or V8. The language doesn't lend

Well, you can run JS on the JVM through Oracle's Rhino (now Nashorn), but apparently perf is still largely worse than Sunspider or V8. The language doesn't lend itself to optimization as much as java does for JVM bytecode: https://blogs.oracle.com/nashorn/nashorn-architecture-and-performance-improvements-in-the-upcoming-jdk-8u40-release https://blogs.oracle.com/nashorn/nashorn-architecture-and-pe...